Daikin FFQ25BV1B Installation Manual Download Page 21

Page: 21 / 23

English

12-3 Malfunction code

• For places where the malfunction code is left blank, the “

” indication is not displayed. Though the

system continues operating, be sure to inspect the system and make repairs as necessary.

• Depending on the type of indoor or outdoor unit, the malfunction code may or may not be displayed.

Code

Malfunction/Remarks

Indoor unit

s PC board faulty

Drain water level abnormal

Freeze-up protector “or stopped by high pressure control”

Indoor fan motor overloaded, overcurrent or locked

Air cleaner faulty
Only the air cleaner does not function.

Type set improper
Capacity data is wrongly proset. Or there is nothing programmed in the data hold IC.

Sensor (R2T) for heat exchanger temperature is fault

Sensor (R3T) for heat exchanger temperature is fault

Sensor for suction air temperature is fault

Sensor for remote controller is fault
The remote controller thermistor does not function, but the system thermo run is possi-
ble.

Action of safety device (outdoor unit)

Outdoor unit

s PC board faulty

High pressure abnormal (outdoor unit)

Low pressure abnormal (outdoor unit)

Compressor motor lock malfunction

Compressor motor lock by over current (outdoor)

Outdoor fan motor lock malfunction
Outdoor fan instantaneous overcurrent malfunction

Input overcurrent (outdoor unit)

Electronic expansion valve faulty (outdoor unit)

Cooling/heating swich malfunction. (outdoor unit)

Discharge pipe temperature abnormal (outdoor unit)

High pressure switch faulty (outdoor unit)

Low pressure switch faulty (outdoor unit)

Faulty position defection sensor (outdoor unit)

Outdoor motor position signal malfunction

CT abnormality (outdoor unit)

Outdoor air thermistor faulty (outdoor unit)

Discharge pipe thermistor faulty (outdoor unit)

Suction pipe thermistor faulty (outdoor unit)

Heat exchanger thermistor faulty (outdoor unit)

Liquid piping thermistor malfunction (heating) (outdoor)

Gas piping thermistor malfunction (cooling) (outdoor)

Overheated heat-radiating fin (outdoor unit)
Inverter cooling defect.

Instantaneous overcurrent (outdoor unit)
Possible earth fault or short circuit in the compressor motor.

Summary of Contents for FFQ25BV1B

Page 1: ...to install the machine your self Improper installation may result in water leakage electric shocks or fire Perform installation work in accordance with this installation manual Improper installation may result in water leakage electric shocks or fire Be sure to use only the specified accessories and parts for installation work Failure to use the specified parts may result in water leakage electric...

Page 2: ...iping in order to prevent condensation Improper drain piping may result in water leakage and property damage Install the indoor and outdoor units power cord and connecting wires at least 1 meter away from televi sions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient enough to eliminate the noise Remote controller wir...

Page 3: ...ending the unit When selecting installation site refer to the paper pattern For the installation of an outdoor unit refer to the installation manual attached to the outdoor unit Do not use the unit in locations with high salt content in the air such as beachfront property locations where the voltage fluctuates such as factories or in automobiles or marine vessels 2 1 ACCESSORIES Check the followin...

Page 4: ...nit fixed firmly The units may drop vibrate or make noise Is the gas leak test finished It may result in insuffcient cooling Is the unit fully insulated Condensate water may drip Dose drainage flow smoothly Condensate water may drip Dose the power supply voltage correspond to that shown on the name plate The unit may malfunction or the compo nents burn out Are wiring and piping correct The unit ma...

Page 5: ...line Where sufficient clearance for maintenance and service can be ensured Where there is no risk of flammable gas leakage Where piping between indoor and outdoor units is possible within the allowable limit Refer to the installation manual for the outdoor unit NOTE Leave 200 mm or more space where marked with the on sides where the air outlet is closed CAUTION Install the indoor and outdoor units...

Page 6: ...r pattern for installation 5 for ceiling opening dimensions Create the ceiling opening required for installation From the side of the opening to the casing out let implement the refrigerant and drain piping and wiring for remote controller unnecessary for wire less type and wiring between units Refer to each PIPING or WIRING section After making an opening in the ceiling it may be necessary to rei...

Page 7: ...r unit temporarily Attach the hanger bracket to the suspension bolt Be sure to fix it securely by using a nut and washer 3 from the upper and lower sides of the hanger bracket The washer fixing plate 7 will prevent the washer from falling 1 2 Refer to the paper pattern for installation 5 for ceilling opening dimension Consult the builder or carpenter for details The center of the ceiling opening i...

Page 8: ...te 7 used for pre venting the washer from falling and tighten the upper nut 1 6 Remove the paper pattern for installation 5 2 For existing ceilings 2 1 Install the indoor unit temporarily Attach the hanger bracket to the suspension bolt Be sure to fix it securely by using a nut and washer 3 from the upper and lower sides of hanger bracket The washer fixing plate 7 will pre vent the washer from fal...

Page 9: ...prevent dust moisuture or other foreign matter from infiltrating the tube either pinch the end or cover it with tape Do not allow anything other than the designated refrigerant to get mixed into the refrigerant circuit such as air etc If any refrigerant gas leaks while working on the unit ventilate the room thoroughly right away The outdoor unit is charged with refrigerant Be sure to use both a sp...

Page 10: ...r in particular if the flux contains fluorine it will damage the refrigerant oil Before brazing local refrigerant piping nitrogen gas shall be blown through the piping to expel air from the piping If your brazing is done without nitrogen gas blowing a large amount of oxide film develops inside the pip ing and could cause system malfunction When brazing the refrigerant piping only begin brazing aft...

Page 11: ...mm outside diameter 26 mm keep the drain pipe short and sloping downwards at a gradient of at least 1 100 to prevent air pockets from forming If the drain hose cannot be sufficiently set on a slope refer to PRECAUTIONS FOR DRAIN RAISING PIP ING on page 12 To keep the drain hose from sagging space hanger bracket every 1 to 1 5 m Use the attached drain hose 1 and clamp 2 Insert the drain hose into t...

Page 12: ... WORK IS FINISHED Check drainage flow during cooling operation WHEN ELECTRIC WIRING WORK IS NOT FINISHED Remove the control box lid Connect the single phase power supply SINGLE PHASE 50Hz 220 240V to connections No 1 and No 2 on the power supply terminal block Do not connect to No 3 of the power sup ply terminal block The drain pump will not operate When carrying out wiring work around the control...

Page 13: ...ode the heat exchanger Drain pipe Service drain outlet with rubber plug Use this outlet to drain water from the drain pan Plastic container for pouring Tube should be about 100 mm long 100 Adding water through air outlet Method of adding water Fig 23 mm 1 2 3 Single phase power supply 50Hz 220 240V No 1 No 2 No 3 Power supply terminal block Fig 24 Control box lid Remove the control box lid take of...

Page 14: ...lso connect the ground for the remote control to a grounded metal part 3 For group control remote controller choose the remote controller that suits the indoor unit which has the most functions as attached swing flap Pair type Multi system Main power supply Main switch 1 2 3 1 P P 2 3 1 P1 2 P2 Fuse Outdoor unit Indoor unit Group control Main power supply Main switch 1 2 3 1 P P 2 3 1 P1 2 P2 Fuse...

Page 15: ...ard vinyl piping is used Telepone ground wires or lightning rods might cause abnormally high electric potential in the ground during lighting storms Specifications for field wire Table 4 This will be the total extended length in the system when doing group control NOTE 1 Shows only in case of protected pipes Use H07RN F in case of no protection 2 For European and Asian market Vinyl cord with sheat...

Page 16: ...the outside Wiring between units Power supply terminal block Ground the shield part of shielded wire Refer to Note 2 in 8 WIRING EXAMPLE Remote controller cord Terminal block for remote controller 6P control box lid Wiring Remote controller cord Wiring between units Wiring diagram label Back side of control box lid Remove the control box lid take off 2 screws Note Outdoor unit Indoor unit Wiring b...

Page 17: ...are used carry out complete connections and fix the wires so that external forces are not applied to the terminals CAUTION When clamping the wires be sure no pressure is applied to the wire connections by using the included clamping material to make appropriate clamps Also when wiring make sure the lid on the control box fits snugly by arranging the wires neatly and attaching the control box lid f...

Page 18: ... to clean air fil ters Change the SECOND CODE NO according to Table 5 depending on the amount of dirt or dust in the room SECOND CODE NO is factory set to 01 for air filter contamination light Table5 10 4 When implementing group control When using as a pair unit you may control up to 16 unit with the remote controller In this case all the indoor units in the group will operate in accordance with t...

Page 19: ...ation manual attached to the decoration panel After installing the decoration panel ensure that there is no space between the unit body and decoration panel 12 TEST OPERATION 1 Make sure the control box lids are closed on the indoor and outdoor units 2 Refer to the section of FOR THE FOLLOWING ITEMS TAKE SPECIAL CARE DURING CON STRUCTION AND CHECK AFTER INSTALLATION IS FINISHED on page 4 After fin...

Page 20: ...Note 1 When the operation stops due to trouble operation lamp flashes and and the malfunction code are indicated on the liquid crystal display In such a case diagnose the fault contents by referring to the table on the malfunction code list in case of group control the unit No is displayed so that the indoor unit No with the trouble can be recognized Note 2 2 With the wireless remote controller Re...

Page 21: ...ety device outdoor unit E1 Outdoor unit s PC board faulty E3 High pressure abnormal outdoor unit E4 Low pressure abnormal outdoor unit E5 Compressor motor lock malfunction E6 Compressor motor lock by over current outdoor E7 Outdoor fan motor lock malfunction Outdoor fan instantaneous overcurrent malfunction E8 Input overcurrent outdoor unit E9 Electronic expansion valve faulty outdoor unit EA Cool...

Page 22: ...ndoor and outdoor units or malfunction of the PC board mounted on the indoor and the outdoor units If UF is shown the wiring between the indoor and outdoor unit is not properly wired Therefore immediately disconnect the power supply and correct the wiring The com pressor and the fan mounted on the outdoor unit may start operation independent of the remote controller operation U5 Transmission error...

Page 23: ... AIR THERMISTOR COIL 1 THERMISTOR COIL 2 FLOAT SWITCH TRANSFORMER 220 240V 22V PHASE CONTROL CIRCUIT TERMINAL STRIP TERMINAL STRIP SIGNAL RECEIVER CIRCUIT SIGNAL TRANSMISSION CIRCUIT WIRED REMOTE CONTROLLER THERMISTOR AIR SELECTOR SWITCH MAIN SUB WIRELESS REMOTE CONTROLLER RECEIVER DISPLAY UNIT PRINTED CIRCUIT BOARD PRINTED CIRCUIT BOARD PUSH BUTTON ON OFF LIGHT EMITTING DIODE ON RED LIGHT EMITTIN...

Search results

Summary of Contents for FFQ25BV1B

Reviews:

Brands by name

Popular brands

Daikin FFQ25BV1B, Installation Manual

Search results

Summary of Contents for FFQ25BV1B

Reviews:

Brands by name

Popular brands